diff --git a/static/katex.less b/static/katex.less
index fc716482a..432861ed9 100644
--- a/static/katex.less
+++ b/static/katex.less
@@ -243,7 +243,7 @@ big parens
 
         &.negativethinspace {
             margin-left: -@thinspace;
-        }        
+        }
 
         &.thinspace {
             width: @thinspace;